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https://github.com/hanzoai/forge.git
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zeekayandHanzo Dev
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Source files keep their SPDX-License-Identifier and Hanzo copyright line; the Gitea, Gogs and LFS Test Server copyrights they used to repeat now live once in NOTICE, alongside LICENSE. The header lint accepts any copyright line above the SPDX line, so it no longer demands an upstream one. Co-authored-by: Hanzo Dev <[email protected]>
112 lines
2.6 KiB
Go
112 lines
2.6 KiB
Go
// Copyright 2026 Hanzo AI, Inc. All rights reserved.
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// SPDX-License-Identifier: MIT
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package git
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import (
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"bytes"
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"encoding/base64"
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"errors"
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"io"
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"strings"
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"github.com/hanzoai/git/modules/typesniffer"
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"github.com/hanzoai/git/modules/util"
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)
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// This file contains common functions between the gogit and !gogit variants for git Blobs
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// Name returns name of the tree entry this blob object was created from (or empty string)
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func (b *Blob) Name() string {
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return b.name
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}
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// GetBlobBytes Gets the limited content of the blob
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func (b *Blob) GetBlobBytes(limit int64) ([]byte, error) {
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if limit <= 0 {
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return nil, nil
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}
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dataRc, err := b.DataAsync()
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if err != nil {
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return nil, err
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}
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defer dataRc.Close()
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return util.ReadWithLimit(dataRc, int(limit))
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}
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// GetBlobContent Gets the limited content of the blob as raw text
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func (b *Blob) GetBlobContent(limit int64) (string, error) {
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buf, err := b.GetBlobBytes(limit)
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return string(buf), err
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}
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// GetBlobLineCount gets line count of the blob.
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// It will also try to write the content to w if it's not nil, then we could pre-fetch the content without reading it again.
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func (b *Blob) GetBlobLineCount(w io.Writer) (int, error) {
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reader, err := b.DataAsync()
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if err != nil {
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return 0, err
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}
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defer reader.Close()
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buf := make([]byte, 32*1024)
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count := 1
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lineSep := []byte{'\n'}
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for {
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c, err := reader.Read(buf)
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if w != nil {
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if _, err := w.Write(buf[:c]); err != nil {
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return count, err
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}
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}
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count += bytes.Count(buf[:c], lineSep)
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switch {
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case errors.Is(err, io.EOF):
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return count, nil
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case err != nil:
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return count, err
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}
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}
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}
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// GetBlobContentBase64 Reads the content of the blob with a base64 encoding and returns the encoded string
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func (b *Blob) GetBlobContentBase64(originContent *strings.Builder) (string, error) {
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dataRc, err := b.DataAsync()
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if err != nil {
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return "", err
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}
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defer dataRc.Close()
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base64buf := &strings.Builder{}
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encoder := base64.NewEncoder(base64.StdEncoding, base64buf)
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buf := make([]byte, 32*1024)
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loop:
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for {
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n, err := dataRc.Read(buf)
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if n > 0 {
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if originContent != nil {
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_, _ = originContent.Write(buf[:n])
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}
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if _, err := encoder.Write(buf[:n]); err != nil {
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return "", err
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}
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}
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switch {
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case errors.Is(err, io.EOF):
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break loop
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case err != nil:
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return "", err
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}
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}
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_ = encoder.Close()
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return base64buf.String(), nil
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}
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// GuessContentType guesses the content type of the blob.
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func (b *Blob) GuessContentType() (typesniffer.SniffedType, error) {
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buf, err := b.GetBlobBytes(typesniffer.SniffContentSize)
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if err != nil {
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return typesniffer.SniffedType{}, err
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}
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return typesniffer.DetectContentType(buf), nil
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}
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